static inline void
deadline_del_drq_rb(struct deadline_data *dd, struct deadline_rq *drq)
{
const int data_dir = rq_data_dir(drq->request);
if (dd->next_drq[data_dir] == drq) {
struct rb_node *rbnext = rb_next(&drq->rb_node);
dd->next_drq[data_dir] = NULL;
if (rbnext)
dd->next_drq[data_dir] = rb_entry_drq(rbnext);
}
if (ON_RB(&drq->rb_node)) {
rb_erase(&drq->rb_node, DRQ_RB_ROOT(dd, drq));
RB_CLEAR(&drq->rb_node);
}
}
static int
deadline_set_request(request_queue_t *q, struct request *rq, int gfp_mask)
{
struct deadline_data *dd = q->elevator->elevator_data;
struct deadline_rq *drq;
drq = mempool_alloc(dd->drq_pool, gfp_mask);
if (drq) {
memset(drq, 0, sizeof(*drq));
RB_CLEAR(&drq->rb_node);
drq->request = rq;
INIT_LIST_HEAD(&drq->hash);
drq->on_hash = 0;
INIT_LIST_HEAD(&drq->fifo);
rq->elevator_private = drq;
return 0;
}
return 1;
}
void tato_tree_int_clear(TatoTreeInt *thiss) {
RB_CLEAR(TatoTreeInt_, thiss);
}
